Randomized Practice CNIM exam A// ATI PN
COMPREHENSIVE EXIT EXAM RETAKE 2023- 2024
WITH NGN QUESTIONS (ACTUAL EXAM)
0.1-10 uV - ✔✔ANSWER✔✔>>Electrical amplitude of SSEPs is
A. 10-100 uV
B. 0.1 to 10 uV
C. 1000 to 10,000 uV
D. 100 to 1000 uV
0.1-5000 Hz - ✔✔ANSWER✔✔>>What is the minimum required bandpass for an EP
system
0.2ms - ✔✔ANSWER✔✔>>The duration of a monophasic, rectangular pulse used for
somatosensory stimulation should be:
A. 0.05 ms
B. 0.2 ms
C. 0.5 ms
D. 1 ms
10 mS - ✔✔ANSWER✔✔>>What is the minimum analysis time for ABRs?
10 msec - ✔✔ANSWER✔✔>>What is the minimum acceptable sweep for ABRs?
10 uA - ✔✔ANSWER✔✔>>What is the maximum allowable leakage current from the
isolated amplifier inputs through the patient leads?
100-1000 V - ✔✔ANSWER✔✔>>A typical stimulus intensity required to obtain TCMEPs
is
A. 0.1-1 V
B. 10-100 V
C. 1-100 V
D. 100-1000 V
20 uA - ✔✔ANSWER✔✔>>One function of the circuitry in an isolated input board is to
protect the patient from electrical shock by limiting the current flow to ______ at the
patient leads when 120Vrms is applied to the inputs.
A. 60 uA
B. 1 uA
C. 100 uA
D. 20 uA
, 20-500 Hz - ✔✔ANSWER✔✔>>What is the appropriate filter bandpass for a cortical
SSEP?
50-60 m/s - ✔✔ANSWER✔✔>>What is a typical NCV in a normal subject?
500 uS - ✔✔ANSWER✔✔>>What is the maximum recommended stimulation for lower
SSEPS?
A. 500 uS
B. 400 uS
C. 300 uS
D. 1000 uS
ABR and ECoG - ✔✔ANSWER✔✔>>To optimally monitor cranial nerve VIII function in
the OR, it is desirable to be able to simulatneously perform
A. ABR EEG
B. ABR and ECoG
C. MN SSEP and CMAPs
D. ABR and SSEP
Absence of all waves I-V - ✔✔ANSWER✔✔>>If the VIIIth nerve were transected, you
would get
A. Increased I-III latency
B. Loss of wave III-V
C. No change
D. Absence of all waves I-V
absolute boundaries for EPs obtained intraoperatively are not available -
✔✔ANSWER✔✔>>Preoperative baseline, sensory evoked potential values are
essential to IOM because
A. It is necessary to compare intraoperative values with laboratory normative data
B. Absolute boundaries for EPs obtained intraoperatively are not available
C. They help establish the appropriate level of anesthesia
D. Latencies and amplitudes are highly variable
after a 55% amplitude loss - ✔✔ANSWER✔✔>>When is it most appropriate to alert the
surgeon of a problem with the monitoring?
A. After a 55% amplitude loss
B. When any change occurs
C. After loss of 30% and 5% latency
D. All waveforms are lost
AICA - ✔✔ANSWER✔✔>>In a microvascular decompression surgery for hemi-facial
spasm which of the following vessels will most likely be encountered?
A. PICA
COMPREHENSIVE EXIT EXAM RETAKE 2023- 2024
WITH NGN QUESTIONS (ACTUAL EXAM)
0.1-10 uV - ✔✔ANSWER✔✔>>Electrical amplitude of SSEPs is
A. 10-100 uV
B. 0.1 to 10 uV
C. 1000 to 10,000 uV
D. 100 to 1000 uV
0.1-5000 Hz - ✔✔ANSWER✔✔>>What is the minimum required bandpass for an EP
system
0.2ms - ✔✔ANSWER✔✔>>The duration of a monophasic, rectangular pulse used for
somatosensory stimulation should be:
A. 0.05 ms
B. 0.2 ms
C. 0.5 ms
D. 1 ms
10 mS - ✔✔ANSWER✔✔>>What is the minimum analysis time for ABRs?
10 msec - ✔✔ANSWER✔✔>>What is the minimum acceptable sweep for ABRs?
10 uA - ✔✔ANSWER✔✔>>What is the maximum allowable leakage current from the
isolated amplifier inputs through the patient leads?
100-1000 V - ✔✔ANSWER✔✔>>A typical stimulus intensity required to obtain TCMEPs
is
A. 0.1-1 V
B. 10-100 V
C. 1-100 V
D. 100-1000 V
20 uA - ✔✔ANSWER✔✔>>One function of the circuitry in an isolated input board is to
protect the patient from electrical shock by limiting the current flow to ______ at the
patient leads when 120Vrms is applied to the inputs.
A. 60 uA
B. 1 uA
C. 100 uA
D. 20 uA
, 20-500 Hz - ✔✔ANSWER✔✔>>What is the appropriate filter bandpass for a cortical
SSEP?
50-60 m/s - ✔✔ANSWER✔✔>>What is a typical NCV in a normal subject?
500 uS - ✔✔ANSWER✔✔>>What is the maximum recommended stimulation for lower
SSEPS?
A. 500 uS
B. 400 uS
C. 300 uS
D. 1000 uS
ABR and ECoG - ✔✔ANSWER✔✔>>To optimally monitor cranial nerve VIII function in
the OR, it is desirable to be able to simulatneously perform
A. ABR EEG
B. ABR and ECoG
C. MN SSEP and CMAPs
D. ABR and SSEP
Absence of all waves I-V - ✔✔ANSWER✔✔>>If the VIIIth nerve were transected, you
would get
A. Increased I-III latency
B. Loss of wave III-V
C. No change
D. Absence of all waves I-V
absolute boundaries for EPs obtained intraoperatively are not available -
✔✔ANSWER✔✔>>Preoperative baseline, sensory evoked potential values are
essential to IOM because
A. It is necessary to compare intraoperative values with laboratory normative data
B. Absolute boundaries for EPs obtained intraoperatively are not available
C. They help establish the appropriate level of anesthesia
D. Latencies and amplitudes are highly variable
after a 55% amplitude loss - ✔✔ANSWER✔✔>>When is it most appropriate to alert the
surgeon of a problem with the monitoring?
A. After a 55% amplitude loss
B. When any change occurs
C. After loss of 30% and 5% latency
D. All waveforms are lost
AICA - ✔✔ANSWER✔✔>>In a microvascular decompression surgery for hemi-facial
spasm which of the following vessels will most likely be encountered?
A. PICA
